Scroll to see break-even price per barrel for oil in 2015 for select oil producers, and click on a country's name for more details. modest oil-price recovery and currency devaluations have lowered breakeven prices for countries like Russia and Nigeria, but some petrostates still need oil prices above $100 a barrel to balance their budgets.
There are dozens of types of gemstones â including diamonds, colored gemstones, and pearls â each with a unique set of physical and optical properties. GIRDLE â The narrow band around the perimeter of a polished or faceted diamond or colored gemstone.
Happy birthday, CANCER! Take these unique Cancer charm jewelry. 26 Types of Purple Gemstones in Jewelry. Purple gemstones are a rich, magnificent choice of stones for jewelry. A combination of red and blue, violet straddles the spectrum, being warm and cool at the same time. Purple gems glow with a slightly more prevalent red, and make a cool, yet much more attractive choice of gemstones.